54562531 has 4 divisors (see below), whose sum is σ = 56037232. Its totient is φ = 53087832.

The previous prime is 54562507. The next prime is 54562549. The reversal of 54562531 is 13526545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54562531 - 2²³ = 46173923 is a prime.

It is a super-2 number, since 2×54562531² = 5954139578251922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54562493 and 54562502.

It is not an unprimeable number, because it can be changed into a prime (54562931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 737295 + ... + 737368.

It is an arithmetic number, because the mean of its divisors is an integer number (14009308).

Almost surely, 2^54562531 is an apocalyptic number.

54562531 is a deficient number, since it is larger than the sum of its proper divisors (1474701).

54562531 is a wasteful number, since it uses less digits than its factorization.

54562531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474700.

The product of its digits is 18000, while the sum is 31.

The square root of 54562531 is about 7386.6454497289. The cubic root of 54562531 is about 379.2842737433.

The spelling of 54562531 in words is "fifty-four million, five hundred sixty-two thousand, five hundred thirty-one".